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Peter Thomas Roth
FIRMx Collagen Serum

Versus

Bliss
BlissPro Multi-peptide Youth Serum

Product category and function

FIRMx Collagen Serum

BlissPro Multi-peptide Youth Serum

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

FIRMx Collagen Serum

BlissPro Multi-peptide Youth Serum

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free cruelty-free

Full ingredient list

FIRMx Collagen Serum

BlissPro Multi-peptide Youth Serum

No. of common ingredients = 0
(vegetable) collagen, water/aqua/eau, dimethicone, butylene glycol, polysilicone-11, glycerin, caffeine, squalane, soluble collagen, collagen amino acids, hydrolyzed collagen, palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine, palmitoyl tripeptide-5, acetyl tetrapeptide-2, sodium hyaluronate, hydroxyproline, sodium citrate, citric acid, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium acryloyldimethyltaurate/vp copolymer, hydroxystearic acid, magnesium chloride, polysorbate 20, polysorbate 80, sodium hydroxide, sorbitan isostearate, decyl glucoside, lauryl glucoside, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, leuconostoc/radish root ferment filtrate, disodium edta, potassium sorbate, sodium benzoate, isohexadecane, ethylhexylglycerin, hexylene glycol, caprylyl glycol, phenoxyethanol, mica (ci 77019) 13	Water (aqua) (eau), propanediol, glycerin, polysilicone-11, palmitoyl tripeptide-1, palmitoyl tripeptide-5, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38, acetyl hexapeptide-8, hexapeptide-9, panthenol, tocopherol, tocopheryl acetate, plankton extract, hippophae rhamnoides fruit extract, lycium barbarum fruit extract, helianthus annuus (sunflower) seed oil, arginine ferulate, sodium hyaluronate, raspberry ketone, cetearyl olivate, ubiquinone, diglycerin, saccharide isomerate, caprylyl glycol, hydroxypropyl cyclodextrin, c12-15 alkyl benzoate, polyacrylate crosspolymer-6, polyglyceryl-4 laurate/succinate, sorbitan olivate, carbomer, polysorbate 20, laureth-12, butylene glycol, sodium citrate, phenoxyethanol, ethylhexylglycerin, potassium sorbate, citric acid

No. of common ingredients = 0

Total Number of ingredients = 39

(vegetable) collagen, water/aqua/eau, dimethicone, butylene glycol, polysilicone-11, glycerin, caffeine, squalane, soluble collagen, collagen amino acids, hydrolyzed collagen, palmitoyl dipeptide-5 diaminobutyroyl hydroxythreonine, palmitoyl tripeptide-5, acetyl tetrapeptide-2, sodium hyaluronate, hydroxyproline, sodium citrate, citric acid, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium acryloyldimethyltaurate/vp copolymer, hydroxystearic acid, magnesium chloride, polysorbate 20, polysorbate 80, sodium hydroxide, sorbitan isostearate, decyl glucoside, lauryl glucoside, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, leuconostoc/radish root ferment filtrate, disodium edta, potassium sorbate, sodium benzoate, isohexadecane, ethylhexylglycerin, hexylene glycol, caprylyl glycol, phenoxyethanol, mica (ci 77019)

Water (aqua) (eau), propanediol, glycerin, polysilicone-11, palmitoyl tripeptide-1, palmitoyl tripeptide-5, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38, acetyl hexapeptide-8, hexapeptide-9, panthenol, tocopherol, tocopheryl acetate, plankton extract, hippophae rhamnoides fruit extract, lycium barbarum fruit extract, helianthus annuus (sunflower) seed oil, arginine ferulate, sodium hyaluronate, raspberry ketone, cetearyl olivate, ubiquinone, diglycerin, saccharide isomerate, caprylyl glycol, hydroxypropyl cyclodextrin, c12-15 alkyl benzoate, polyacrylate crosspolymer-6, polyglyceryl-4 laurate/succinate, sorbitan olivate, carbomer, polysorbate 20, laureth-12, butylene glycol, sodium citrate, phenoxyethanol, ethylhexylglycerin, potassium sorbate, citric acid

Notable ingredients

FIRMx Collagen Serum

BlissPro Multi-peptide Youth Serum

Antioxidant: Caffeine

Solvent: Water/aqua/eau, Butylene glycol, Glycerin, Hexylene glycol, Isohexadecane

Anti-microbial: Leuconostoc/radish root ferment filtrate, Phenoxyethanol

Soothing: Panthenol

Antioxidant: Ubiquinone, Tocopherol, Tocopheryl acetate

Cell-signaling ingredient: Palmitoyl tetrapeptide-7

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Ingredients with their functions

FIRMx Collagen Serum

BlissPro Multi-peptide Youth Serum

(vegetable) collagen

Function: Skin conditioning

We don’t have a detailed description of this ingredient yet.

Water/aqua/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Dimethicone

Function: Emollient/Moisturizer, Skin protecting, Skin conditioning

We don’t have a detailed description of this ingredient yet.